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Fast preparation method of TiB-TiC-TiB2-B4C composite ceramic

A technology of tib-tic-tib2-b4c and composite ceramics, which is applied in the field of functional protection material preparation, can solve the problems of high cost, low product density, complicated preparation process of C complex ceramics, etc. Simple and easy, high-density effect

Active Publication Date: 2017-02-15
BEIJING INSTITUTE OF TECHNOLOGYGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But since TiB-TiC-TiB 2 -B 4 The preparation process of C composite ceramics is complicated, the cost is high, and the product density is not high. Up to now, there has been no report on its application to protective materials

Method used

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  • Fast preparation method of TiB-TiC-TiB2-B4C composite ceramic

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] A kind of TiB-TiC-TiB 2 -B 4 The rapid preparation method of C composite ceramics, the method steps are as follows:

[0038] (1) 45.36g TC4 powder and 15.12g B 4 Add C powder in the ball mill tank of SM-QB planetary ball mill, and add balls and excess absolute ethanol according to the ball-to-material ratio of 3:1; at a speed of 300r / min, ball mill for 0.5h to obtain a mixed slurry; The mixed slurry is poured into a vacuum rotary evaporator, and steamed for 0.5 h at a speed of 100r / min and a water bath temperature of 80°C to obtain a mixed powder precursor; put the mixed powder precursor into an electric heating constant temperature blast drying box , dried at 60°C for 1 h to obtain a mixed powder.

[0039] Wherein, the grinding ball is composed of a large agate ball and a small agate ball with a mass ratio of 1:1; the diameter of the large agate ball is 10mm, and the diameter of the small agate ball is 5mm.

[0040](2) Put 60.48g of mixed powder into a graphite mol...

Embodiment 2

[0043] A kind of TiB-TiC-TiB 2 -B 4 The rapid preparation method of C composite ceramics, the method steps are as follows:

[0044] (1) 49.15g TC4 powder and 11.33g B 4 C powder is added in the ball mill tank of SM-QB planetary ball mill, and balls and excess absolute ethanol are added according to the ball-to-material ratio of 3:1; at a speed of 300r / min, ball mill for 1h to obtain mixed mud; Pour the mixed slurry into a vacuum rotary evaporator, and steam it for 0.5h under the conditions of a rotating speed of 80r / min and a water bath temperature of 80°C to obtain a mixed powder precursor; put the mixed powder precursor into an electric heating constant temperature blast drying box , and dried at 60°C for 1 h to obtain a mixed powder.

[0045] Wherein, the grinding ball is preferably composed of a large agate ball and a small agate ball with a mass ratio of 1:1; the diameter of the large agate ball is 10mm, and the diameter of the small agate ball is 5mm.

[0046] (2) Pu...

Embodiment 3

[0049] A kind of TiB-TiC-TiB 2 -B 4 The rapid preparation method of C composite ceramics, the method steps are as follows:

[0050] (1) 51.41g TC4 powder and 9.07g B 4 Add C powder in the ball mill tank of SM-QB planetary ball mill, and add balls and excess absolute ethanol according to the ball-to-material ratio of 3:1; at a speed of 300r / min, ball mill for 0.5h to obtain a mixed slurry; The mixed slurry is poured into a vacuum rotary evaporator, and steamed for 0.5 h at a speed of 80r / min and a water bath temperature of 80°C to obtain a mixed powder precursor; put the mixed powder precursor into an electric heating constant temperature blast drying box , dried at 60°C for 1 h to obtain a mixed powder.

[0051] Wherein, the grinding ball is preferably composed of a large agate ball and a small agate ball with a mass ratio of 1:1; the diameter of the large agate ball is 10mm, and the diameter of the small agate ball is 5mm.

[0052] (2) Put 60.48g of mixed powder into a gr...

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Abstract

The invention discloses a fast preparation method of TiB-TiC-TiB2-B4C composite ceramic, and belongs to the field of functional protection materials. The method is characterized in that TC4 powder and TiB2 powder are added into a ball milling tank; ball milling media are added; ball milling is performed, so that the mixture is uniformly mixed; drying is performed; mixed powder is obtained; the mixed powder is subjected to sintering treatment by a discharging plasma sintering system; the TiB-TiC-TiB2-B4C composite ceramic is obtained. The TiB-TiC-TiB2-B4C composite ceramic prepared by the method has the advantages that the density is high; the hardness is high; the intensity is high; the comprehensive performance is good; the TiB-TiC-TiB2-B4C composite ceramic can be applied to the field of protection materials.

Description

technical field [0001] The invention relates to a TiB-TiC-TiB 2 -B 4 The invention discloses a rapid preparation method of C composite ceramics, which belongs to the field of preparation of functional protective materials. [0002] technical background [0003] Protective materials with high ballistic performance, light weight, and strong secondary ballistic resistance are the goals of research in the field of armor. Wilkins first proposed a double-layer ceramic-metal bulletproof structure in 1960. Since then, many scholars have studied the bulletproof performance and mechanism of ceramic-metal composite targets and achieved a lot of results. Studies have shown that the ceramic material in the composite material can destroy the warhead and reduce the kinetic energy of the bullet during the penetration process, and its strength, hardness, high temperature resistance, toughness and other indicators are the key factors affecting the protective performance of the composite mate...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/58C04B35/563C04B35/56C04B35/622C04B35/65
CPCC04B35/5611C04B35/563C04B35/58071C04B35/622C04B35/65C04B2235/666
Inventor 张朝晖胡正阳王虎李昇霖王富耻
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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